/*
 * MinIO Cloud Storage (C) 2018 MinIO, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import React from "react";
import { connect } from "react-redux"
import { createStyles, makeStyles, withStyles, Theme } from '@material-ui/core/styles';
import FormControl from '@material-ui/core/FormControl';
import InputLabel from '@material-ui/core/InputLabel';
import MenuItem from '@material-ui/core/MenuItem';
import Select from '@material-ui/core/Select';
import InputBase from '@material-ui/core/InputBase';
import ReactEcharts from 'echarts-for-react';
import * as echarts from 'echarts';
import Alert from '@material-ui/lab/Alert';
import IconButton from '@material-ui/core/IconButton';
import Collapse from '@material-ui/core/Collapse';
import CloseIcon from '@material-ui/icons/Close';
import api from "../../../common/api";
import { ChartUrl, timeConvert, beforeNowtimeByMinu } from "./types";

const BootstrapInput = withStyles((theme: Theme) =>
  createStyles({
    root: {
      'label + &': {
        marginTop: 0,
        marginLeft: theme.spacing(4),
      },
    },
    input: {
      borderRadius: 4,
      position: 'relative',
      backgroundColor: theme.palette.background.paper,
      border: '1px solid #ced4da',
      fontSize: 14,
      padding: '5px 26px 5px 12px',
      transition: theme.transitions.create(['border-color', 'box-shadow']),
      '&:focus': {
        borderRadius: 4,
        borderColor: '#80bdff',
        boxShadow: '0 0 0 0.2rem rgba(0,123,255,.25)',
      },
    },
  }),
)(InputBase);
const styles = (theme: Theme) =>
  createStyles({
    alert: {
      position: "absolute",
      width: "100%",
      textAlign: "center",
      zIndex: 1000, 
      top: 35
    },
    alertPop: {
      margin: "0 auto",
      width: "160px"
    },
    chart: {
      height: '350px', 
      width: '100%', 
      marginTop: -20,
      marginBottom: -40
    },
});
interface ChartState {
  classes: any;
  inputStep: string,
}
export class ChartDisk extends React.Component<ChartState, any> {
  constructor(props:any){
    super(props);
    this.state = {
      records: [],
      xrecord:[],
      legend:[],
      recordsData:[],
      loading: false,
      step: "14",
      dataWarn:"",
      open: false
    };
  };
  setOpen(a:boolean){
    this.setState({
      open: a
    })
  }
  getChart(step:any) {
    let duration = 60;
    if(step == '1'){
      duration = 15
    }else if(step == '7'){
      duration = 30
    }else if(step == '14'){
      duration = 60
    }else if(step == '28'){
      duration = 120
    }else if(step == '86'){
      duration = 360
    }else if(step == '172'){
      duration = 720
    }else if(step == '345'){
      duration = 1440
    }
    let url = ChartUrl+"disk_storage_total&start="+Date.parse(beforeNowtimeByMinu(duration)).toString().substring(0,10)+"&end="+Date.parse(beforeNowtimeByMinu(0)).toString().substring(0,10)+"&step="+step;
    api
      .invoke("GET", url)
      .then((res) => {
        var xrec = new Array();
        var rootData = res.data.result;
        if(rootData != []){
          for(var i=0;i<rootData.length;i++){
            for(var a=0;a<rootData[i].values.length;a++){
              rootData[i].values[a][0] = timeConvert(parseInt(rootData[i].values[a][0]));
              rootData[i].values[a][1] = parseFloat((rootData[i].values[a][1]/(1024*1024*1024)).toFixed(3));
            //   if(rootData[i].values[a][1] > 5){
            //     this.setState({
            //       dataWarn: rootData[i].metric.instance +", "+ rootData[i].metric.job +", disk="+ rootData[i].metric.disk+",值"+rootData[i].values[a][1]+"超出"
            //     })
            //     this.setOpen(true);
            //   }else{
            //    this.setOpen(false);
            //  }
            }
          }
          for(var i=1;i<rootData.length;i++){
            for(var a=0;a<rootData[i].values.length;a++){
              rootData[0].values[a][1] += rootData[i].values[a][1]
            }
          }
          // console.log(rootData[0].values)
          var data = rootData[0].values;
          for(var n=0;n<data.length;n++){
            xrec[n]=data[n][0]
          }
          let recData =  {
            type: 'line',
            itemStyle: {
              color: '#91c7ae'
            },
            areaStyle: {
              // @ts-ignore
                color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
                    offset: 0,
                    color: '#c7f0dd'
                }, {
                    offset: 1,
                    color: '#91c7ae'
                }])
            },
            data: rootData[0].values
          }
          this.setState({
            xrecord: xrec,
            recordsData: recData,
          });
          // var data = rootData[0].values;
          // for(var n=0;n<data.length;n++){
          //   xrec[n]=data[n][0]
          // }
          // let leg = rootData.map(function (item:any) {
          //   return "disk="+item.metric.disk+", "+ item.metric.job +": "+ item.metric.instance;
          // })
          // let recData = rootData.map(function (item:any) {
          //   return {
          //     name: "disk="+item.metric.disk+", "+ item.metric.job +": "+ item.metric.instance,
          //     type: 'line',
          //     data: item.values.map(function (this: any, itemx:any) {
          //       return [itemx[0], parseFloat(itemx[1])]
          //     })
          //   }
          // })
          // this.setState({
          //   legend: leg,
          //   xrecord: xrec,
          //   recordsData: recData,
          // });
        }else{
          this.setState({
            dataWarn: "暂无数据",
            loading: false 
          })
          this.setOpen(true);
        }
      })
      .catch(err => {
          this.setState({
            dataWarn: "暂无数据",
            loading: false 
          })
          this.setOpen(true);
      });
  }
  componentDidMount(): void {
    var that = this
    that.getChart(that.state.step);
  }
  componentDidUpdate(prevProps:any): void {
    if(prevProps.inputStep !== this.state.step){
        this.getChart(this.state.step);
        var timer = setInterval(() => {
          let url = window.location.href
          if(url.indexOf("/dashboard") != -1){
            this.getChart(this.state.step);
          }else{
            clearInterval(timer)
          }
        }, 25000)
    }
  }
  static getDerivedStateFromProps(nextProps:any, prevState:any) {
    // 当传入的type发生变化的时候，更新state
    if (nextProps.inputStep !== prevState.step) {
      return {
        step: nextProps.inputStep
      }
    }
    // 否则，对于state不进行任何操作
    return null;
  }
  getOption= () => ({
      tooltip: {
        trigger: 'axis',
        axisPointer: {
            type: 'cross'
        },
        backgroundColor: 'rgba(245, 245, 245, 0.8)',
        borderWidth: 1,
        borderColor: '#ccc',
        padding: 10,
        textStyle: {
            color: '#000'
        },
    },
      xAxis: {
          data: this.state.xrecord
      },
      yAxis: {
        name: 'GB',
        splitLine: {
          show: true
        }
      },
      series: this.state.recordsData
  });
  render() {
    const { classes } = this.props;
    return (
      <div style={{position: "relative"}}>
        {this.state.open ? (
        <div className={classes.alert}>
          <Collapse in={this.state.open} className={classes.alertPop}>
            <Alert severity="error" style={{padding: "0 16px"}}
              action={
                <IconButton
                  aria-label="close"
                  color="inherit"
                  size="small"
                  onClick={() => {
                    this.setOpen(false);
                  }}
                  >
                  <CloseIcon fontSize="inherit" />
                </IconButton>
              }>
              {this.state.dataWarn}
            </Alert>
          </Collapse>
        </div>
        ):(

          <ReactEcharts
          ref="chart"
          option={this.getOption()}
          className={classes.chart}/>
          )}
      </div>
    );
  }
};
export default withStyles(styles)(ChartDisk)